5x + 2y =7 y=x+1 What is the solution set of the given system? {(5/7, 12/7)] {(12/7, 5/7) {(9/7, 16/7)]

Question

5x + 2y =7
y=x+1
What is the solution set of the given system?
{(5/7, 12/7)]
{(12/7, 5/7)
{(9/7, 16/7)]
{(16/7, 9/7)

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Serenity 2 months 2021-10-08T03:44:35+00:00 1 Answer 0 views 0

Answers ( )

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    2021-10-08T03:46:24+00:00

    \text{Solve the systems of equations:}\\\\5x + 2y =7\\\\-2(y=x+1)\\\\2y =-5x+7\\\\-2y=-2x-2\\\\0=-7x+5\\\\-5=-7x\\\\5/7=x\\\\\text{Plug answer into x variable in one of the equations and solve}\\\\y=5/7+1\\\\y=12/7\\\\\boxed{(5/7, 12/7)}

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45:7+7-4:2-5:5*4+35:2 =? ( )